Textiles: fluid treating apparatus – Machines – Liquid supply or vapor supply to liquid
Patent
1980-09-04
1982-03-30
Coe, Philip R.
Textiles: fluid treating apparatus
Machines
Liquid supply or vapor supply to liquid
D06F 3908
Patent
active
043218091
ABSTRACT:
An agitator type washing machine having a tub, a fabric receiving basket mounted in the tub, a recirculating pump for recirculating liquid from the tub to the basket during wash and rinse operations, and a liquid sensor responsive to the volume of liquid retained in the tub, which operatively combine to automatically control the volume of liquid delivered to the washing machine during each fill operation according to the size of the clothes load in the basket. Vertically spaced tiers of drain holes are formed in the sidewall of the basket to permit liquid flow from the basket to the tub. The tiers are arranged such that when the liquid level in the basket is lower than the lowermost tier unimpeded by the load in the basket, liquid flow from the basket, impeded by the load, is exceeded by the liquid flow into the basket from the tub and from the external supply, causing liquid to accumulate in the basket, but not in the tub. When the liquid level in the basket rises to the level of the lowermost unimpeded tier, cumulative liquid flow from the basket through the impeded and unimpeded tiers exceeds the liquid flow into the basket, causing liquid to accumulate in the tub. The level sensor is operative to terminate fill and enable agitation upon detection of the accumulation of a predetermined volume of washing liquid in the tub.
REFERENCES:
patent: 2934928 (1960-05-01), Shelton
patent: 2955448 (1960-10-01), Olthuis
patent: 3153924 (1964-10-01), Alger
patent: 3274808 (1966-09-01), Morey
patent: 4077239 (1978-03-01), Platt et al.
Coe Philip R.
General Electric Company
Houser H. Neil
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